Quick update on my situation If i comment out
send fqdn.fqdn = gethostname(); in dhclient.conf i successfully update DNS. I think my issues is different than this issue here. I will report this as a new bug -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1006937 Title: dhclient does not send hostname to dhcp-server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1006937/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs